Quddus, M., Mian, J., Hashem, M., Naser, H. and Hossain, M. (2017) “System productivity, nutrient uptake and nutrient balance in the wheat-mungbean-t. Aman rice cropping system”, Bangladesh Journal of Agricultural Research, 42(3), pp. 509–520. doi: 10.3329/bjar.v42i3.34510.